. "Pertusiconcha" . . _:b75823611 "GBIF id" . . . _:b76650650 . _:b75823611 . . _:b76650650 . _:b75823611 "2285285" . "Chistikov, 1982" . "Pertusiconcha" . _:b76650650 . . _:b76650650 "WoRMS id" . "343657" . . _:b76650650 "343657" . _:b75823611 . . . . "591850" . "Pertusiconcha Chistikov, 1982" . . _:b75823611 . "Pertusiconcha" . "2285285" . .